In Figure 5 , Heat shock could induce the synthesis of trehalose-6-phosphate synthase and trehalose-6-phosphate phosphatase. So heat shock was on the basic of salt stimulation. Figure 5(a) showed that the trehalose level of
S in 9% salt changed significantly with different temperature and different stimulation time, and the other original yeast T displayed the same trend (Fig 5(b)) that the trehalose level reached the peak at 40 temperature for 30 mins.